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Dissertations / Theses on the topic 'Aging in chlorinated water'

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1

Perrier, Nicolas. "Durabilité en eau chlorée d’un revêtement PEAA sur fonte : impact de la microstructure." Electronic Thesis or Diss., Paris, ENSAM, 2025. http://www.theses.fr/2025ENAME003.

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Saint-Gobain Pont-à-Mousson produit des canalisations en fonte ductile destinées aux réseaux d’eau potable. Ces tuyaux sont revêtus intérieurement d’un copolymère thermoplastique, le poly(éthylène-co-acide acrylique), pour lequel les propriétés barrière sont indispensables dans la protection de la fonte contre la corrosion. Or, en certains points du réseau de distribution, l’hypochlorite de sodium est injecté afin d’assurer la potabilité de l’eau, ce qui peut limiter fortement la capacité du revêtement à protéger la fonte et impose donc une durée d’utilisation. Cette thèse étudie alors les méc
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2

Yan, Yuejun. "Abiotic remediation of ground water contaminated by chlorinated solvents /." The Ohio State University, 1998. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487949508372653.

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3

Weissenborn, Richard Carl 1952. "Apparent fate of recharged nonpurgeable chlorinated organics." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276786.

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Secondary effluent from the Roger Road Wastewater Treatment Plant undergoes tertiary treatment of dual media filtration and chlorination. The tertiary effluent is recharged and subsequently extracted for irrigation in Tucson, Arizona. The fate of chlorinated organics in this recharge system was investigated in this research. Nonpurgeable organic carbon was found to reach a constant level in the groundwater after being recharged. Not all of the organic carbon was removed from the water. Nonpurgeable organic halogens increased as they flowed away from the recharge basins. Reasons for this increa
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4

Chavez-Rivera, Rafael Alfredo. "A biofilm reactor for degradation of chlorinated hydrocarbons." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.339503.

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5

Driedger, Suzanne Michelle. "From science to policy practice and public discourse : claimsmaking and chlorinated drinking water /." *McMaster only, 2001.

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6

Zhou, Xinyi. "Manganese Accumulation and its Control in Chlorinated Drinking Water Distribution System." Kyoto University, 2020. http://hdl.handle.net/2433/259737.

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7

Prytula, Mark Taras. "Bioavailability and microbial dehalogenation of chlorinated benzenes sorbed to estuarine sediments." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/32835.

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8

Lachance, Russell Philip. "Oxidation and hydrolysis reactions in supercritical water : chlorinated hydrocarbons and organosulfur compounds." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/33533.

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9

Shriner, Katherine Ann. "Strategies for reducing the mutagen content of chlorinated aqueous media." Thesis, Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/50093.

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In anticipation of government mandates regulating the quantity of the toxic mutagen, 3-chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone, which can be released into potable waters or from industrial facilities, technologies for monitoring the concentration, reducing the quantity, and inhibiting the formation of this compound were investigated. Adsorption of the chlorinated hydroxyfuranone from laboratory systems (pH 7.2, 22°) utilizing the non-polar, polymeric resin, Amberlite XAD-4, was successful. As these system conditions are comparable to those present in drinking water treatment facilit
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10

Morrison, Candice N. "Innovative Methods for Characterizing Chlorinated Volatile Organic Compounds in the Vadose Zone." Diss., The University of Arizona, 2014. http://hdl.handle.net/10150/333041.

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Chlorinated solvents, such as tetrachloroethene (PCE), trichloroethene (TCE), and carbon tetrachloride (CT), are primary contaminants of concern for a vast majority of federal and state Superfund sites in the US due to their prior widespread use as solvents for numerous industrial and commercial applications. Source-zones containing large quantities of contaminant are typically present at sites contaminated by chlorinated solvents. Particularly in regions such as the SW US, these source zones reside, at least in part, in the extensive vadose zones typical of these regions. There are two prima
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11

Dayan, Hannah. "Isotopic fractionation of chlorinated ethenes during reductive dehalogenation by zero valent iron." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0008/MQ36111.pdf.

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12

Fiss, Edward Matthew. "Formation of Chloroform and Other Chlorinated Byproducts by the Chlorination of Antibacterial Products." Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/35230.

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Triclosan is a widely used antibacterial agent found in many personal hygiene products. While it has been established that pure triclosan and free chlorine readily react, interactions between triclosan-containing products and free chlorine have not previously been analyzed. Sixteen double-blinded solutions including both triclosan-containing (1.14-3.12 mg triclosan/g product) and triclosan-free products were contacted with free chlorine. Products detected included (chlorophenoxy)phenols, 2,4-dichlorophenol, 2,4,6-trichlorophenol, and chloroform. The daughter product yields were found to b
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13

Casey, Lee S. "Kinetic rate constants for the formation of trihalomethanes in chlorinated ammonia containing ground water." FIU Digital Commons, 1985. http://digitalcommons.fiu.edu/etd/2026.

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It is well established that trihalomethanes, in drinking water are byproducts of chlorine disinfection. A method to predict the distribution and concentration of trihalornethanes is important because of health risks associated with chronic exposure to these compounds. A literature review has provided information on the chemistry of water chlorination and a data base developed in the laboratory has provided data on trihalomethane formation under various conditions. These data were used to generate rate constants for the formation of trihalomethanes. Trihalornethane formation kinetics appeared t
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14

Brereton, John Alan. "Impacts of tuberculated iron and surface biofilm on trihalomethane formation in chlorinated drinking water." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0013/NQ34532.pdf.

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15

Vepulanont, Klatnatee. "The effect of chlorinated water on the crevice corrosion behaviour of austenitic stainless steel." Thesis, University of Sheffield, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.578693.

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In the UK, approval of stainless steel products by the Drinking Water Inspectorate invokes the Operational Guidelines and Code of Practice for Stainless Steel Products in Drinking Water Supply (OGCP) t Munro et al., 2002). Type 304L and 316L stainless steel grades can be used for the majority of applications in water treatment and supply, with the grade selection depending on the chloride and chlorine levels in the water. Currently the guideline suggests that 304L may be used up to 200 ppm chlorides and 2 ppm free chlorine and type 316L up to 1000 ppm chlorides and 5ppm free chlorine at pH lev
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16

Ikegami, Takao. "Problems of municipal drinking water supply and evaluation of a chlorinated by-products policy." Thesis, Massachusetts Institute of Technology, 1985. http://hdl.handle.net/1721.1/74774.

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Thesis (M.C.P.)--Massachusetts Institute of Technology, Dept. of Urban Studies and Planning, 1985.<br>MICROFICHE COPY AVAILABLE IN ARCHIVES AND ROTCH.<br>Bibliography: leaves 75-84.<br>by Takao Ikegami.<br>M.C.P.
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17

Scherer, Michelle Marie. "Reduction of chlorinated aliphatic and nitro aromatic compounds at the Fe0-oxide-water interface /." Full text open access at:, 1998. http://content.ohsu.edu/u?/etd,201.

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18

Gutierrez, Angela. "DEVELOPMENT OF MAGNETIC NANOCOMPOSITE MATERIALS AS REUSABLE ADSORBENTS FOR CHLORINATED ORGANICS IN CONTAMINATED WATER." UKnowledge, 2019. https://uknowledge.uky.edu/cme_etds/107.

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The constant growth in population worldwide over the past decades continues to put forward the need to provide access to safe, clean water to meet human needs. There is a need for cost-effective technologies for water and wastewater treatment that can meet the global demands and the rigorous water quality standards and at the same maximizing pollutant efficiency removal. Current remediation technologies have failed in keeping up with these factors without becoming cost-prohibitive. Nanotechnology has recently been sought as a promising option to achieve these goals. The use of iron oxide magne
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19

Barry, Christopher James. "Regional modelling to forecast the transient chlorinated solvent risk to groundwater for water supply security." Thesis, University of Birmingham, 2018. http://etheses.bham.ac.uk//id/eprint/8716/.

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The UK has an environmental legacy of chlorinated solvent contamination from historic industrial activity. Groundwater in Permo-Triassic Sandstone aquifers has been widely impacted. Future use of this resource requires methods to forecast regional-scale chlorinated solvent risk to groundwater assets. Current methods do not adequately represent chlorinated solvent dense non-aqueous phase liquid (DNAPL) source term behaviour and transient contaminant transport. This research investigates the hypothesis that improvements for regional contamination forecasting methods are possible and necessary. E
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20

Boving, Thomas Bernhard. "Performance and simulation of chemically enhanced solubilization and removal of residual chlorinated solvents from porous media." Diss., The University of Arizona, 1999. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_1999_154_sip1_w.pdf&type=application/pdf.

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21

Scrimshaw, Mark Dudley. "The significance of chlorinated micropollutants in sediments of Essex salt marshes and the River Thames estuary." Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362543.

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22

Young, Matthew J. "Utilization of predispersed solvent extraction for removal and enzymatic degradation of chlorinated solvents in ground water." Thesis, This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-08222008-063547/.

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23

Lundbäck, Marie. "Longterm performance of polyolefins in different environments including chlorinated water: antioxidant consumption and migration and polymer degradation." Doctoral thesis, KTH, Fiber- och polymerteknik, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-238.

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The long-term performance of stabilized polyolefins in different environments was studied with focus on antioxidant consumption and migration. Plaques of linear polyethylene (LPE) and branched polyethylene (BPE) were stabilized with Santonox® R (4,4'-Thiobis(6-tert-butyl-3-methylphenol)), Irganox® 1081 (2,2’-Thiobis(4-methyl-6-tertbutylphenol)), or Lowinox® 22M46 (2,2’-Methylenebis(6-tert-butyl-4-methylphenol)). The samples were aged in water and nitrogen at 75, 90 and 95°C. Antioxidant concentration profiles were obtained by oxidation induction time (OIT) measurements using differential scann
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24

Hartung, Erik Walter. "Aging bioretention cells: Do they still function to improve water quality?" Kent State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=kent1497480428253195.

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25

Lundbäck, Marie. "Long-term performance of polyolefins in different environments including chlorinated water : antioxidant consumption and migration and polymer degradation /." Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-238.

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26

Chaychian, Mahnaz. "Radiation-induced dechlorination of PCBs and chlorinated pesticides and the destruction of the hazardous organic solvents in waste water." College Park, Md. : University of Maryland, 2007. http://hdl.handle.net/1903/6916.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2007.<br>Thesis research directed by: Chemical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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27

Li, Xuan. "In Situ Chemical Oxidation Schemes for the Remediation of Ground Water and Soils Contaminated by Chlorinated Solvents." Connect to this title online, 2002. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1023289254.

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Thesis (Ph. D.)--Ohio State University, 2002.<br>Title from first page of PDF file. Document formatted into pages; contains xv, 179 p.; also contains graphics (some col.). Includes abstract and vita. Advisor: Franklin W. Schwartz, Dept. of Geosciences. Includes bibliographical references (p. 172-179).
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28

He, Feng Zhao Dongye. "Preparation, characterization, and applications of polysaccharide-stabilized metal nanoparticles for remediation of chlorinated solvents in soils and groundwater." Auburn, Ala., 2007. http://repo.lib.auburn.edu/EtdRoot/2007/FALL/Civil_Engineering/Dissertation/He_Feng_9.pdf.

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29

Vereskuns, Gastons. "Chlorinated fatty acids in freshwater fish and some biological effects of dichlorostearic acid /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5717-3.pdf.

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30

Sipe, Ann M. "Evaluation of Opercular Bones for Aging Eight Species of Chesapeake Bay Fishes." W&M ScholarWorks, 2001. https://scholarworks.wm.edu/etd/1539617781.

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31

Rodríguez, Fernández Diana. "Stable isotopes analysis to assess abiotic and biotic remediation of groundwater polluted by chlorinated methanes." Doctoral thesis, Universitat de Barcelona, 2018. http://hdl.handle.net/10803/668460.

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Carbon tetrachloride (CT) and chloroform (CF) are chlorinated methanes (CMs) which have been released to the environment for decades owing to scarce waste management. Since they are dense non-aqueous phase liquids (DNAPLs), CMs migrate downwards and reach groundwater constituting a contamination source. Thus, this pollution requires a thoughtful monitoring and treatment since CT and CF are toxic and predicted to be carcinogenic substances (IARC, 2017). Although CT and CF are considered quite persistent in aquifers, they undergo abiotic and biotic natural attenuation. This degradation occurs m
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32

MANIGAS, LUISA. "Use of membrane bioreactors for the bioremediation of groundwater polluted by chlorinated compounds." Doctoral thesis, Università degli Studi di Cagliari, 2008. http://hdl.handle.net/11584/265895.

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The aim of this experimental work has been the application of a new polluted waters treatment technology for the selection of a bacterial population capable of bioremediating a synthetic groundwater polluted by four different chlorinated compounds. The innovative technology applied in this study was the biological treatment system known as MSBR (Membrane Sequencing Bioreactor), which consists of a Sequencing Batch Reactor (SBR) coupled to a membrane module for the filtration of the biological sludge that degrades the chlorinated compounds present in the polluted water fed to the system. The sy
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33

Kennard, John Andrew. "Age sensitivity of the Barnes Maze and the Morris Water Maze: Associations with cerebellar cortical Purkinje neurons." Diss., Temple University Libraries, 2012. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/170945.

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Psychology<br>Ph.D.<br>The goal of this study was to examine age-related changes in spatial memory and its neurobiological substrates as assessed by the Morris water maze (MWM) and the Barnes maze. The MWM is one of the most widely used tests of spatial memory and numerous studies suggest that spatial memory abilities decline with age. To contrast, very few studies exist comparing different ages of mice in the less stressful Barnes maze, and no systematic life span analysis of performance has been published. As the cerebellum is one brain structure that undergoes a quantifiable change in anato
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34

Pemmasani, Lavanya. "Analysis of Fate and Transport of E. coli in Chlorinated Drinking Water Distribution System in the Presence of Natural Organic Matter." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1352993001.

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35

Abdelal, Qasem M. "Methodology for Using a Non-Linear Parameter Estimation Technique for Reactive Multi-Component Solute Transport Modeling in Ground-Water Systems." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/29758.

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For a numerical or analytical model to be useful it should be ensured that the model outcome matches the observations or field measurements during calibration. This process has been typically done by manual perturbation of the model input parameters. This research investigates a methodology for using non linear parameter estimation technique (the Marquardt-Levenberg technique) with the multi component reactive solute transport model SEAM3D. The reactive multi-component solutes considered in this study are chlorinated ethenes. Previous studies have shown that this class of compounds can be degr
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36

Eletribi, Shereen 1975. "Dispersion of water sprays in a transverse air jet and the aging of spray nozzles." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/38856.

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37

Nugin, Kaisa. "Naturlig nedbrytning av klorerade lösningsmedel i grundvatten." Thesis, Uppsala University, Department of Earth Sciences, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-88861.

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<p>Chlorinated solvents are common contaminants in soil and water. Under anaerobic conditions microbes are capable of transforming chlorinated solvents into ethylene which would result in a remediation of the contaminated area. In order to use natural attenuation as a remediation method evidence of continuous degradation is required. Furthermore, the degradation must occur at a sufficient rate and continuous monitoring of the site is needed until the demanded levels are achieved. A field study was performed on the basis of data from a dry-cleaning facility contaminated mainly by perchloroethyl
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38

Killinger, Alexis. "Iodinated X-ray contrast media (ICM) as precursors to disinfection byproduct (DBP) formation and enhanced toxicity as a function of pH and chlorinated oxidant." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1460375515.

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39

TUCUNDUVA, RODRIGO CAMPELLO. "POLYAMIDE 12 AND HIGH DENSITY POLYETHYLENE CHARACTERIZATION BEFORE AND AFTER AGING IN WATER AT DIFFERENT TEMPERATURES." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2017. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=32949@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>PROGRAMA DE SUPORTE À PÓS-GRADUAÇÃO DE INSTS. DE ENSINO<br>Nos últimos anos surgiram algumas alternativas para as tubulações de aço carbono que são a grande maioria no transporte de petróleo e gás, com grande destaque para os materiais poliméricos, principalmente por apresentarem baixa densidade em relação aos metais, boa resistência à corrosão e boa processabilidade. Além disso, os polímeros apresentam maior faci
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Lucas, Timothy R. "The effect of thermal aging and boiling water reactor environment on Type 316L stainless steel welds." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/76921.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Science and Engineering, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 185-191).<br>The thermal aging and consequent embrittlement of materials are ongoing issues in cast stainless steels and duplex stainless steels. Spinodal decomposition is largely responsible for the well known "475°C" embrittlement that results in drastic reductions in ductility and toughness in these materials, and this process is operative also in welds of either cast or wrought stainless steels where 6-fe
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Nordborg, Daniel. "Provtagning av trädkärnor för att bedöma föroreningsgraden av klorerade lösningsmedel i grundvatten." Thesis, Uppsala University, Department of Earth Sciences, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-88820.

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<p>Chlorinated aliphatic hydrocarbons (CAH´s) were used widely within dry cleaning facilities and for metal degreasing until their toxicity was discovered. PCE is still used as dry cleaning liquid. Today CAH´s are found in soil environment at places where they have been used in the past. The CAH-concentration in trees growing on contaminated land has quite recently received attention as a cheap and effective way of assessing the extent of a CAH-contamination. The method has however, not been put into use in Sweden.</p><p>The aim of the study has been to investigate whether the CAH-concentratio
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Cushman, Christopher Scott. "Destruction of chlorinated hydrocarbons by zero-valent zinc and bimetallic zinc reductants in bench-scale investigations." Wright State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=wright1398342299.

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43

Jessop, Darrell James. "Non-weight bearing water exercise : changes in cardiorespiratory function in elderly men and women." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28536.

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The purpose of this study was to evaluate the impact of a 5 week program of aquatic exercise on selected cardiorespiratory parameters in the elderly participant. Fifteen men and women (mean age 68.5 years, range 61-75 years) were recruited voluntarily from regional adult day-care and community centre facilities. Participants underwent a series of physiological tests before the program started and 5 weeks later at the end of the program. Measurements included height, weight, spirometry measurements (FVC, FEV¹ֹ⁰, VEmax), resting blood pressure, resting heart rate, exercise heart rate and V
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Lundberg, Rebecca. "Persistent organic pollutants and bone tissue : studies in wild and in experimental animals /." Stockholm : Karolinska institutet, 2007. http://diss.kib.ki.se/2007/978-91-7357-410-5/.

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Powell, Christina Lynn. "Biodegradation of Groundwater Pollutants (Chlorinated Hydrocarbons) in Vegetated Wetlands: Role of Aerobic Microbes Naturally Associated with Roots of Common Plants." Wright State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=wright1289918991.

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Pappas, Colleen. "How Did I Get Here? Testing the Translation of the Morris Water Maze and the Influence of Hemoglobin A1c on Spatial Navigation Performance." Scholar Commons, 2017. https://scholarcommons.usf.edu/etd/7434.

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Changes in cognitive status occur with aging and significant attention has been placed on developing interventions to possibly delay cognitive decline and identifying risk factors that exacerbate cognitive deficits. One issue that arises when studying interventions is that they do not always effectively translate from animal models to human subjects. When testing potentially modifiable risk factors related to cognitive impairment, more sensitive metrics could help in identifying targets for intervention at earlier time-points. Therefore, the aims of the current dissertation
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47

Jabari, Kohpaei Ahmad. "Development of an analytical solution for the parallel second order reaction scheme for chlorine decay modelling." Thesis, Curtin University, 2010. http://hdl.handle.net/20.500.11937/572.

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Chlorine is broadly used for water disinfection at the final stage of water treatment because of its high performance to inactivate pathogenic microorganisms, its lower cost compared to other well-known disinfectants and its simple operational needs. However, reaction of chlorine with a wide range of organic and inorganic substances in water causes its decay and formation of chlorinated by-products, which are in some cases carcinogenic and harmful to human health. The major challenge is balancing the risk from these with the cost of operation needed to mitigate the impact. These challenges hig
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48

Rosensvärd, Markus, and David Danneker. "Flexural strength of zirconia after grinding, using diamond burrs, silicon carbide burr and water-cooling." Thesis, Malmö universitet, Odontologiska fakulteten (OD), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-19863.

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SyfteSyftet med föreliggande studie är att undersöka om slipning av zirkonia med silikatkarbid, diamant, vattenkylning, höghastighetsturbin och låghastighetshandstycke påverkar böjhållfastheten hos zirkonia.Material och metodFemtio provkroppar av yttriumoxidstabiliserad tetragonal zirkonia framställdes med CAD/CAM. Provkropparna delades in i 5 grupper med 10 i varje; polerad med låghastighetshandstycke (P), vattenkylning med finkornig diamantfräs (HDW), höghastighetsturbinshandstycke utan vattenkylning med finkornig diamantfräs (HDD), låghastighetshandstycke med finkornig diamantfräs (LD) och
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SOUZA, LUCIO ROSSI DE. "EFFECTS OF AGING IN WATER AND LUBRICATING OIL ON THE CREEP BEHAVIOR OF POLYMER MATRIX COMPOSITE REINFORCED WITH GLASS FIBER." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2015. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=26952@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>Esse estudo tem como objetivo verificar as consequências do envelhecimento no comportamento à fluência de um material compósito reforçado por fibras de vidro, em função de diferentes tipos de envelhecimento e temperaturas de ensaio. Para tanto, corpos de prova envelhecidos em água e óleo, bem como outros sem qualquer envelhecimento, foram ensaiados à fluência em 25 graus Celsius e 60 graus Celsius. As análises se basearam nas propriedades mecânicas relativas ao processo de flu
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Aprajita, Fnu. "Guidelines for Implementing Risk-Based Asset Management Program to Effectively Manage Deterioration of Aging Drinking Water Pipelines, Valves and Hydrants." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/84459.

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Abstract:
There is an unprecedented need to manage our deteriorating water infrastructure systems effectively to mitigate the enormous consequences of their premature failure such as loss of service, money, time, damage to other infrastructure, and damage to property. Most of the water utilities understand this need and are implementing asset management approaches and technologies to increase the overall service life of their assets. However, to indeed achieve sustainable water infrastructure systems, there is a requirement to implement a risk-based asset management program which provides a more compreh
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